CN109783199A - A kind of virtual machine migration method and device - Google Patents
A kind of virtual machine migration method and device Download PDFInfo
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Abstract
The invention discloses a kind of virtual machine migration method and device, method includes: to obtain the resource information for the virtual machine to be migrated for running on source host；Physical machine resource is analyzed, according to the resource information of virtual machine to be migrated, finding out makes virtual machine to be migrated run optimal physical machine as destination host, and makes the migration planning that virtual machine to be migrated is moved to destination host from source host；It is planned according to migration, virtual machine to be migrated is moved into destination host from source host.Virtual machine migration method and device of the present invention, it realizes and is automatically performed the virtual machine (vm) migration across physical host, compared with the existing artificial method for carrying out virtual machine (vm) migration by Hardware Management Console manual operations, overcome the prior art there are workloads it is heavy, the problem of low efficiency.
Description
Technical field
The present invention relates to server technology fields, more particularly to a kind of virtual machine migration method and device.
Background technique
Virtual machine refer to by software simulate with complete hardware system function, run on a completely isolated environment
In complete computer need when supporting the server host of virtual machine operation to need to safeguard by virtual machine CPU, interior
It deposits and moves to destination host with disk resource, so that virtual machine continues corresponding service on destination host, can not interrupt
Operation business.In the prior art, carrying out virtual machine (vm) migration is manually to be completed by Hardware Management Console manual operations, hardware pipe
Reason console refers to the platform for management server and its virtual machine, however this method workload is heavy, low efficiency.
Summary of the invention
The object of the present invention is to provide a kind of virtual machine migration method and devices, can be automatically performed the void across physical host
Quasi- machine migration, overcoming the prior art has that workload is heavy, low efficiency.
To achieve the above object, the invention provides the following technical scheme:
A kind of virtual machine migration method, comprising:
Obtain the resource information for running on the virtual machine to be migrated of source host；
Physical machine resource is analyzed, according to the resource information of the virtual machine to be migrated, find out make it is described to be migrated
Virtual machine runs optimal physical machine as destination host, and makes and migrate the virtual machine to be migrated from the source host
Migration to the destination host is planned；
It is planned according to the migration, the virtual machine to be migrated is moved into the destination host from the source host.
Preferably, the source host includes multiple virtual machines to be migrated；
It is described to make the migration planning that the virtual machine to be migrated is moved to the destination host from the source host
It include: according to the corresponding destination host of each virtual machine to be migrated, comprehensive analysis migrates order, migration path and migration and line number
Factor, make can quickly by each virtual machine to be migrated from the source host move to corresponding destination host and
Guarantee the migration planning that the transition process of each virtual machine to be migrated does not conflict.
Preferably, the source host includes multiple virtual machines to be migrated；
It specifically includes: being each void to be migrated according to the destination host of user setting centralization/distributed migration strategy
Quasi- machine finds out corresponding destination host, and the migration strategy of destination host centralization, which refers to, preferentially concentrates each virtual machine to be migrated
It moves in the biggish physical machine of available resources, the distributed migration strategy of destination host, which refers to, puts down each virtual machine to be migrated
It moves in multiple and different physical machines.
Preferably, specifically include: according to the virtual machine configuration of user setting it is constant/migration strategy that changes, for it is described to
Migration virtual machine finds out corresponding destination host, and the constant migration strategy of virtual machine configuration refers in virtual machine (vm) migration to be migrated
Its configuration is constant, and the migration strategy that virtual machine configuration changes refers to that its configuration is changeable in virtual machine (vm) migration to be migrated.
Preferably, further includes: transition state tracking and monitoring carried out to the virtual machine to be migrated, described in real-time update to
The data information of virtual machine is migrated, and records the information with timestamp in the data information of the virtual machine to be migrated, formation is moved
Move historical record.
Preferably, further includes: when receiving the order that the virtual machine that migration is completed is moved back, be somebody's turn to do according to corresponding
The migration history of virtual machine records, which is moved back.
Preferably, it is planned according to the migration, the virtual machine to be migrated is moved into the mesh from the source host
Before mark host further include: the state of the virtual machine to be migrated and the state of corresponding destination host are checked respectively for, it will be to institute
State virtual machine to be migrated check whether by and destination host check whether by result return.
Preferably, further includes: migration planning is reformulated to the virtual machine of migration failure, and is planned according to the migration of formulation
Again it migrates.
A kind of virtual machine (vm) migration device, for executing above-described virtual machine migration method.
Preferably, including interactive interface, for being interacted with user.
As shown from the above technical solution, virtual machine migration method and device provided by the present invention obtain run on first
The resource information of the virtual machine to be migrated of source host, then analyzes physical machine resource, according to the money of virtual machine to be migrated
Source information, finding out makes virtual machine to be migrated run optimal physical machine as destination host, and makes virtual machine to be migrated
The migration planning that destination host is moved to from source host, further plans according to migration, virtual machine to be migrated is moved from source host
Move on to destination host.Virtual machine migration method and device of the present invention, realize and are automatically performed the virtual machine (vm) migration across physical host,
Labor workload can be reduced compared with prior art, improved efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of virtual machine migration method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram that each virtual machine is moved to destination host in a specific example of the invention from source host.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Referring to FIG. 1, Fig. 1 is a kind of flow chart of virtual machine migration method provided in an embodiment of the present invention.As seen from the figure,
The present embodiment virtual machine migration method the following steps are included:
S10: the resource information for running on the virtual machine to be migrated of source host is obtained.
For running virtual machine to be migrated on the source host, the resource information of virtual machine to be migrated is obtained first, virtually
Machine resource information includes hardware information and software information, including the information such as occupied hardware resource and software resource.
Illustratively, it would generally will be run in the resource information of server physical machine, physical machine in practical application scene
The resource information of virtual machine is stored in database, is please referred to shown in table 1, table 2 and table 3, and table 1 is to record in a specific example
Server info table, table 2 are the virtual machine information table of record, and table 3 is the virtual machine configuration slot Information table of record.
Table 1
| Data name | Data type | Data length | It must be defeated/optional | Data explanation |
| ms_serial_number | varchar | 60 | Server series number, major key | |
| ms_name | varchar | 60 | It can be sky | Server name |
| ms_type_model | varchar | 20 | Server model | |
| firmware_version | varchar | 60 | It can be sky | Microcode release |
| create_time | datetime | 0 | Creation time | |
| update_time | datetime | 0 | The synchronized update time |
Table 2
| Data name | Data type | Data length | It must be defeated/optional | Data explanation |
| partition_id | int | Sub-domains display major key | ||
| default_profile_id | int | It can be sky | Default configuration file id | |
| curr_profile_id | int | It can be sky | Currently used configuration file id | |
| ms_serial_number | varchar | 60 | Physical machine sequence number external key | |
| lpar_id | int | Subregion id | ||
| lpar_name | varchar | 60 | It can be sky | Subregion name |
| dlpar_ready | tinyint | 1 | Whether dlpar is ready | |
| rmc_ip_addr | varchar | 15 | The address rmcIP | |
| is_msp | int | It whether is msp | ||
| mgm_ip_addrs | varchar | 255 | It can be sky | Operating system management ip |
| create_time | datetime | 0 | Creation time | |
| update_time | datetime | 0 | It can be sky | Renewal time |
| description | varchar | 255 | It can be sky | Description |
Table 3
| Data name | Data type | Data length | It must be defeated/optional | Data explanation |
| profile_id | int | Configuration file off-balancesheet key | ||
| slot_id | int | Slot id | ||
| slot_type | varchar | 60 | Slot-type | |
| match_slot_id | int | It can be sky | Matched slot id | |
| match_partition_id | int | It can be sky | Matched subregion id | |
| vlan_id | int | It can be sky | Vlan configuration | |
| description | varchar | 255 | It can be sky | Remarks |
S11: analyzing physical machine resource, according to the resource information of the virtual machine to be migrated, find out make it is described to
Migration virtual machine runs optimal physical machine as destination host, and makes the virtual machine to be migrated from the source host
Move to the migration planning of the destination host.
The resource information of physical machines all in resource pool is analyzed, finding out can make virtual machine operation to be migrated optimal
Destination host of the physical machine as the corresponding virtual machine to be migrated, so that virtual machine to be migrated is run optimal physical machine and refer to void
The physical machine has resource the most enough for using after quasi- machine moves to the physical machine.It is idle hard when choosing optimal physical machine
The more physical machine of part resource is preferred destination host, still has foot after needing to guarantee virtual machine (vm) migration to destination host to be migrated
Enough resources work normally, and preferentially guarantee that destination host has enough cpu resources and memory source, have multiple destination hosts alternative
If, preferentially select the host of I/O resource free time.
Preferably, in the present embodiment method user can autonomous selection target host range, specifically, according to be migrated virtual
The resource information of machine find out make the virtual machine to be migrated run optimal physical machine as destination host include: according to it is described to
The resource information for migrating virtual machine, in conjunction with the destination host range of user setting, finding out makes the virtual machine operation to be migrated most
Excellent physical machine is as destination host.
In application scenes, multiple virtual machines are run on the source host and require to migrate, for this in source object
The case where there are multiple virtual machines to be migrated on reason machine, this method, which can be realized, migrates multiple virtual machine batches.Specifically, first
First the physical machine resource in resource pool is analyzed, respectively according to the resource information of each virtual machine to be migrated, for it is each to
Migration virtual machine, which is found out, makes virtual machine run optimal destination host.Further, according to the corresponding mesh of each virtual machine to be migrated
Host is marked, comprehensive analysis migrates the factor of order, migration path and migration and line number, and making can be quickly by each wait move
Virtual machine is moved to move to corresponding destination host from the source host and guarantee the transition process of each virtual machine to be migrated not
The migration of conflict is planned.Fig. 2 is specifically referred to, Fig. 2 is that each virtual machine is moved to target master from source host in a specific example
The schematic diagram of machine runs virtual machine 1, virtual machine 2, virtual machine 3 and virtual machine 4, respectively each virtual machine on the source host and looks for
Corresponding optimal objective host out, and then by each virtual machine (vm) migration.
In the specific implementation, simultaneously line number can be migrated by user setting, migrate and line number refers to that progress is empty in a physical machine
The maximum parallel migration quantity of quasi- machine migration.It migrates and the efficiency of the bigger migration of line number is higher, but simultaneously line number will lead to greatly very much mesh
It is too busy to mark physical machine, can have little time to receive the virtual machine in migration, causes migration to fail, therefore user will set according to the actual situation
Set suitable migration and line number.In practical applications, if the used time to virtual machine (vm) migration is of less demanding, user can be by setting
Migration and line number are set to limit maximum parallel migration quantity, and then improves migration success rate.
Further, for, there are the scene of multiple virtual machines to be migrated, the present embodiment method also has in the physical machine of source
Body includes: to be found out pair according to the destination host of user setting centralization/distributed migration strategy for each virtual machine to be migrated
The destination host answered, the migration strategy of destination host centralization refer to preferentially each virtual machine to be migrated concentration is moved to it is available
In the biggish physical machine of resource, the distributed migration strategy of destination host, which refers to, fifty-fifty moves to each virtual machine to be migrated
In multiple and different physical machines.The migration strategy of selection target host centralization, which can preferentially concentrate each virtual machine to be migrated, to be divided
To the maximum physical machine of available resources, then a big physical machine of available resources time, is so sequentially allocated, this migration
The destination host quantity that strategy use arrives is as few as possible.The distributed migration strategy of selection target host can be each void to be migrated
Quasi- machine is assigned in multiple physical machines, uses different destination hosts as far as possible.
In further the present embodiment method, the also settable virtual machine configuration of user is constant/migration strategy of change, specifically
, the present embodiment method also specifically includes: according to the virtual machine configuration of user setting it is constant/change migration strategy, be described
Virtual machine to be migrated finds out corresponding destination host, and the constant migration strategy of virtual machine configuration refers in virtual machine (vm) migration to be migrated
When its configuration it is constant, the migration strategy that virtual machine configuration changes refers to that in virtual machine (vm) migration to be migrated, its configuration is changeable.Choosing
To see whether destination host resource is abundant when selecting the constant migration strategy of virtual machine configuration, migration virtual machine requires to keep configuration not
Becoming then selectable physical machine can lack, or even can not find suitable physical machine, but this migration for keeping virtual machine configuration constant
Strategy can need not look at migration record, so that it may know the original configuration of migration virtual machine.
S12: it is planned according to the migration, the virtual machine to be migrated is moved into the target master from the source host
Machine.
According to the migration planning made, virtual machine to be migrated is moved into destination host from source host.It is being embodied
When, complete machine migration model can be used, complete machine migration model refers to the cpu resource of virtual machine, memory source and disk resource one
And it migrates.However, it is not limited to this can also be used other virtual machine (vm) migration modes in other embodiments, also all protect in the present invention
It protects in range.
Further, it for there are the scenes of multiple virtual machines to be migrated in the physical machine of source, can be moved according to what is made
Planning is moved, each virtual machine to be migrated is moved into corresponding target physical machine from source physical machine respectively.
Preferably, in the specific implementation, it is planned according to the migration, by the virtual machine to be migrated from the source host
Before moving to the destination host further include: check respectively for the virtual machine to be migrated state and corresponding destination host
State, by the virtual machine to be migrated check whether by and destination host check whether by result return.
This step is to carry out premigrates before executing migration to virtual machine, not practical to execute migration, only checks virtual machine to be migrated
The state of state and destination host, if any one in the two inspection is not over elder generation does not execute migration, needs to check verifying
Not by reason, pass through until checking.Migration can be executed if the two inspection all passes through, at this moment there are still migration failures
May, it is subsequent to check that migration reports an error and search reason.
Therefore, the present embodiment virtual machine migration method, which realizes, is automatically performed the virtual machine (vm) migration across physical host, and existing
There is technology compared to labor workload can be reduced, improves efficiency.And for there are multiple to be migrated virtual in the physical machine of source
The scene of machine, this method, which can be realized, migrates multiple virtual machine batches, improves efficiency.
It is further preferred that can be returned after executing transition process virtual machine (vm) migration success or migration failure as a result,
The present embodiment virtual machine migration method further include: migration planning is reformulated to the virtual machine of migration failure, and according to formulation
Migration planning migrates again.Guarantee the virtual machine in server physical machine completing migration in this way.
It is further preferred that the present embodiment virtual machine migration method further include: migrated to the virtual machine to be migrated
Status tracking and monitoring, the data information of virtual machine to be migrated described in real-time update, and record the number of the virtual machine to be migrated
It is believed that the information with timestamp in breath, forms migration history record.It is carried out in transition process to virtual machine, to migration virtual machine
Transition state tracking and monitoring are carried out, the original configuration data of virtual machine and the data information of real-time update virtual machine, shape are recorded
It is recorded at migration history, facilitates user in this way and virtual machine (vm) migration state is monitored in real time.
It is further preferred that the present embodiment virtual machine migration method further include: the virtual of migration will be completed when receiving
When the order that machine is moved back, is recorded according to the migration history of the corresponding virtual machine, which is moved back.According to migration
The migration history record formed when virtual machine, can precisely move back virtual machine, so that source server physical machine terminates in maintenance
Afterwards, source server physical machine can restore to the original state.
Correspondingly, the embodiment of the present invention also provides a kind of virtual machine (vm) migration device, for executing above-described virtual machine
Moving method.
The present embodiment virtual machine (vm) migration device obtains the resource information for running on the virtual machine to be migrated of source host first,
Then physical machine resource is analyzed, according to the resource information of virtual machine to be migrated, finding out makes virtual machine operation to be migrated most
Excellent physical machine makes the migration rule that virtual machine to be migrated is moved to destination host from source host as destination host
It draws, is further planned according to migration, virtual machine to be migrated is moved into destination host from source host.This virtual machine (vm) migration device is real
Show and be automatically performed the virtual machine (vm) migration across physical host, labor workload can be reduced compared with prior art, improved efficiency.
Further, the present embodiment virtual machine (vm) migration device includes interactive interface, for interacting with user.User is logical
Cross that interactive interface can choose virtual machine to be migrated, setting destination host range and setting migration strategy etc. and user is logical
Virtual machine (vm) migration state etc. can be monitored by crossing interactive interface.
A kind of virtual machine migration method provided by the present invention and device are described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (10)
1. a kind of virtual machine migration method characterized by comprising
Obtain the resource information for running on the virtual machine to be migrated of source host；
Physical machine resource is analyzed, according to the resource information of the virtual machine to be migrated, find out make it is described to be migrated virtual
Machine runs optimal physical machine as destination host, and makes the virtual machine to be migrated moving to institute from the source host
State the migration planning of destination host；
It is planned according to the migration, the virtual machine to be migrated is moved into the destination host from the source host.
2. virtual machine migration method according to claim 1, which is characterized in that the source host includes multiple void to be migrated
Quasi- machine；
It is described make by the virtual machine to be migrated from the source host move to the destination host migration planning include:
According to the corresponding destination host of each virtual machine to be migrated, comprehensive analysis migrate order, migration path and migration and line number because
Element, making quickly can move to corresponding destination host from the source host for each virtual machine to be migrated and guarantee
The migration planning that the transition process of each virtual machine to be migrated does not conflict.
3. virtual machine migration method according to claim 1, which is characterized in that the source host includes multiple void to be migrated
Quasi- machine；
It specifically includes: being each virtual machine to be migrated according to the destination host of user setting centralization/distributed migration strategy
Corresponding destination host is found out, the migration strategy of destination host centralization, which refers to, preferentially concentrates migration for each virtual machine to be migrated
Onto the biggish physical machine of available resources, the distributed migration strategy of destination host refers to each virtual machine to be migrated fifty-fifty
It moves in multiple and different physical machines.
4. virtual machine migration method according to claim 1, which is characterized in that specifically include: according to the void of user setting
Quasi- machine configures the migration strategy of constant/change, finds out corresponding destination host for the virtual machine to be migrated, virtual machine configuration is not
The migration strategy of change refers to that its configuration is constant in virtual machine (vm) migration to be migrated, and the migration strategy that virtual machine configuration changes refers to
Its configuration is changeable when virtual machine (vm) migration to be migrated.
5. virtual machine migration method according to claim 1-4, which is characterized in that further include: to described wait move
It moves virtual machine and carries out transition state tracking and monitoring, the data information of virtual machine to be migrated described in real-time update, and described in recording
With the information of timestamp in the data information of virtual machine to be migrated, migration history record is formed.
6. virtual machine migration method according to claim 5, which is characterized in that further include: it is moved when receiving to be completed
When the order that the virtual machine of shifting is moved back, is recorded according to the migration history of the corresponding virtual machine, which is moved back.
7. virtual machine migration method according to claim 1-4, which is characterized in that advised according to the migration
Draw, before the virtual machine to be migrated is moved to the destination host from the source host further include: check respectively for it is described to
Migrate virtual machine state and corresponding destination host state, by the virtual machine to be migrated check whether by and
Destination host check whether by result return.
8. virtual machine migration method according to claim 1-4, which is characterized in that further include: fail to migration
Virtual machine reformulate migration planning, and according to the migration of formulation planning migrate again.
9. a kind of virtual machine (vm) migration device, which is characterized in that require the described in any item virtual machine (vm) migrations of 1-8 for perform claim
Method.
10. virtual machine (vm) migration device according to claim 9, which is characterized in that including interactive interface, be used for and user into
Row interaction.
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| TWI795887B (en) * | 2021-08-25 | 2023-03-11 | 新加坡商鴻運科股份有限公司 | Method, electronic equipment and storage medium for virtual machine migration |
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| 孙建朋: ""基于多VM迁移调度的云数据中心网络流量优化技术研究"", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111176790A (en) * | 2019-12-30 | 2020-05-19 | 北京浪潮数据技术有限公司 | Active maintenance method and device of cloud platform physical host and readable storage medium |
| TWI795887B (en) * | 2021-08-25 | 2023-03-11 | 新加坡商鴻運科股份有限公司 | Method, electronic equipment and storage medium for virtual machine migration |
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